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Finding the Fourth Proportional to 3,710.66, 5,565.99 and 1,518.99

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Solution

The fourth proportional to 3,710.66, 5,565.99 and 1,518.99 is: 2,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.66 : 5,565.99 = 1,518.99 : x
  2. Step 2: Convert to fraction form
    3,710.66/5,565.99 = 1,518.99/x
  3. Step 3: Cross multiply
    3,710.66x = 5,565.99 × 1,518.99
  4. Step 4: Simplify right side
    3,710.66x = 8,454,683.15
  5. Step 5: Solve for x
    x = 8,454,683.15/3,710.66
  6. Step 6: Final answer
    x = 2,278.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.